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Dissertations / Theses on the topic 'Anthelmintics. Parasites'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

Stewart, M. T. "Neuromusculature development and neurobiology of platyhelminth parasites of fish." Thesis, Queen's University Belfast, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273299.

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2

Scott, Elspeth Warren. "Effects of benzimidazole anthelmintics on nematode parasites of sheep." Thesis, University of Glasgow, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284783.

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3

Lanusse, Carlos Edmundo. "Pharmacokinetics of propylthio-benzimidazole anthelmintics : modulation of liver biotransformation in sheep and cattle." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=70364.

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The aim of this research was to determine the influence of route of administration, drug formulation and modified-liver metabolism on the pharmacokinetic and metabolic patterns of benzimidazole anthelmintics in ruminants. Both route of administration and formulation dramatically affected the bioconversion of netobimin (NTB) pro-drug, N-methoxycarbonyl-N$ sp prime$-(2-nitro-5-propylphenylthio)-${ rm N} sp{ prime prime}$-(2-ethyl sulphonic acid) guanidine, and the bioavailability and disposition kinetics of its active albendazole (ABZ) metabolites in both sheep and cattle. The efficacy of NTB co

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4

LeShure, Shirron Nicole. "Use of Naturally Occurring Anthelmintics to Control Gastrointestinal Parasites in Small Ruminants." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397649276.

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5

Njue, Annette Igandu. "Mechanisms of anthelmintic resistance in Cooperia oncophora, a nematode parasite of cattle." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84302.

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Anthelmintic resistance is a major problem in livestock, and while it has been slower to emerge in cattle, there are reports of its occurrence. Three broad-spectrum anthelmintics are available for use, and one mechanism of resistance that is common to all is target site alteration. Glutamate-gated chloride channels (GluCls) are an important target for macrocyclic lactone anthelmintics (MLs), while beta-tubulin represents the benzimidazole (BZ) target. The objectives of this thesis were to determine whether GluCls are involved in ML resistance in the cattle parasite Cooperia oncophora ,

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6

Osterman, Lind Eva. "Prevalence and control of strongyle nematode infections of horses in Sweden /." Uppsala : Dept. of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/200529.pdf.

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7

Hrabok, Jackie T. "Nematode parasites of reindeer in Fennoscandia : population dynamics, anthelmintic control and its environmental impact /." Uppsala : Dept. of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200689.pdf.

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8

Panchadcharam, Chandrawathani. "Problems in the control of nematode parasites of small ruminants in Malaysia : resistance to anthelmintics and the biological control alternative /." Uppsala : Dept of Biomedical Sciences and Veterinary Public Health, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/v172.pdf.

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9

Menkir, Mekonnen Sissay. "Helminth parasites of sheep and goats in Eastern Ethiopia : epidemiology, and anthelmintic resistance and its management /." Uppsala : Dept. of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200752.pdf.

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10

Lopes, Ana Sofia de Pinho. "Implementação do projeto rastreio STOP (Simples Teste de Ovos Parasitários) em equídeos em Portugal Continental." Master's thesis, Universidade Técnica de Lisboa. Faculdade de Medicina Veterinária, 2013. http://hdl.handle.net/10400.5/5491.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>Os parasitas são reconhecidos como importante causa de doença em equídeos. Ainda hoje, existem graves lacunas no que diz respeito ao controlo das principais parasitoses, quer pelo desconhecimento por parte dos proprietários do fenómeno parasitário e da necessidade do seu controlo, quer pela necessidade de um papel mais ativo dos médicos veterinários no tratamento e controlo das parasitoses. Com base nesta situação, a Merial Saúde Animal, Grupo Sanofi em colaboração com o Centro de Investigação Interdisciplinar em Sanidade Animal, Fac

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11

Duro, Lia Susana Lourenço Simões. "Parasitismo gastrintestinal em animais da Quinta Pedagógica dos Olivais. Especial referência aos mamíferos ungulados." Bachelor's thesis, Universidade Técnica de Lisboa. Faculdade de Medicina Veterinária, 2010. http://hdl.handle.net/10400.5/2624.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>O presente estudo resultou do trabalho realizado durante e após o estágio curricular do Mestrado Integrado em Medicina Veterinária, na Quinta Pedagógica dos Olivais, no concelho de Lisboa. Numa primeira parte desta dissertação, efectuou-se uma monografia, relativa às parasitoses gastrintestinais mais relevantes dos mamíferos ungulados (suínos, bovinos, pequenos ruminantes e equídeos). Quanto à segunda parte desta dissertação, consistiu num estudo de campo e de laboratório sobre as parasitoses gastrintestinais do efectivo de mamífero

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12

Ferreira, Mariline Silva. "Parasitas gastrintestinais em equinos com aptidão de trabalho e desporto no distrito de Santarém, Portugal." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2016. http://hdl.handle.net/10400.5/12671.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>Este trabalho visa contribuir para uma melhor caracterização da prevalência parasitária no efetivo equino de trabalho e desporto proveniente do distrito de Santarém, para além de permitir comparar os achados parasitológicos entre aqueles dois grupos, traduzindo-se o mesmo numa mais-valia pelo facto de trabalhos sobre parasitas de equinos de trabalho/desporto não serem abundantes a nível nacional ou internacional. A amostra estudada contemplou 76 animais distribuídos por 8 explorações. Destas, 4 englobaram animais cuja aptidão é

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13

Lester, Hannah. "Anthelmintic resistance in equine parasites : an epidemiological approach to build a framework for sustainable parasite control." Thesis, University of Liverpool, 2015. http://livrepository.liverpool.ac.uk/2029559/.

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Faecal egg count (FEC) directed targeted anthelmintic treatment programmes and regular efficacy testing using the faecal egg count reduction test (FECRT) have been advocated to support evidence-based helminth control in horses. One major hurdle to their widespread application is that horse owners/managers and those that prescribe anthelmintics may have insufficient knowledge on which to base evidence-based protocols. The ultimate aim of this study was to create a framework for a decision support system (DSS) to support evidence-based helminth control in horses. To create the framework, the dia

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14

McMahon, Connor. "Anthelmintic resistance in parasites of sheep in Northern Ireland and the strategic control of parasitic diseases." Thesis, Queen's University Belfast, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678215.

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Parasites of livestock have major negative economic impacts worldwide; as such, enhanced control of key parasitic diseases would augment farm profitability. However, control has been complicated in recent years through the advent of resistance to commonly used anthelmintic drugs. With the emergence of helminth populations resistant to four of the five major classes of anthelmintic drugs comes the need to develop sustainable control strategies for animal welfare. The first steps in developing future control strategies are; the quantification of the prevalence of resistance within a geographical

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15

Laurenson, Yan Christian Stephen Mountfort. "Modelling nematode infections in sheep and parasite control strategies." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/8178.

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Gastrointestinal parasitism in grazing lambs adversely affects animal performance and welfare, causing significant production losses for the sheep industry. Control of gastrointestinal parasitism using chemotherapeutic treatment is under threat due to the emergence of anthelmintic resistance, thus stimulating research into alternative control strategies. Whilst investigating control strategies experimentally can be costly and time consuming, using a mathematical modelling approach can reduce such constraints. A previously developed model which describes the impact of host nutrition, genotype a

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16

Kenealy, Jessica Scare. "ANTHELMINTIC RESISTANCE IN EQUINE PARASITES: MECHANISMS AND TREATMENT APPROACHES." UKnowledge, 2019. https://uknowledge.uky.edu/gluck_etds/40.

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Anthelmintic resistance of parasites infecting livestock animals is a global problem resulting in decreased animal welfare and production losses. Horses are not exempt from this issue as wide-spread anthelmintic resistance exists among the equine cyathostomins and Parascaris spp. Of the three drug classes available for treating equine intestinal helminths anthelmintic resistance, defined as less than 90-95% drug efficacy, exist to all three. New pharmaceutical control regimens and the elucidation of parasite drug response mechanisms are needed. Two studies were carried out evaluating combinati

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17

Cheeseman, Catherine Louise. "Characterisation of glutamate-gated chloride channel receptors in the parasitic nematode Haemonchus contortus." Thesis, University of Bath, 2001. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342082.

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18

Landgren, Emilia, and Sabina Wallman. "Hästavmaskningsmedels påverkan på miljö och välfärd." Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-26001.

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Healthy, natural pastures is very valuable for biodiversity in the form of both plants and animals. An efficient use of pastures helps to preserve biodiversity, but grazing animals needs to be de-wormed to keep them healthy and to prevent harmful parasites spread on the pasture. The awareness about the environmental impact of the frequent use of deworming agents is low among the public. Some people are unaware that the absorption in horses of anthelmintics is incomplete, which make the circumstances about enviromental effect important to investigate further. The scientific evidence in this are

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Matos, Luís Filipe Raivel de. "Relatório do estágio em clínica das espécies pecuárias: estrongilidoses, mais do que casos clínicos, casos económicos." Master's thesis, Universidade de Évora, 2011. http://hdl.handle.net/10174/12041.

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O estágio curricular do Mestrado Integrado em Medicina Veterinária possibilitou o acompanhamento de toda a actividade médico-veterinária desenvolvida pela VetAl, na área da clínica das espécies pecuárias. A área da medicina preventiva foi a que mais expressão teve, permitindo que os ovinos ocupassem 39,8% das intervenções. No que concerne aos casos clínicos, a reprodução foi a área com maior predominância, que representou 93,3% dos casos em bovinos, 71,5% em ovinos e 97,5% em caprinos. O estudo das estrongilidoses gastrointestinais em ruminantes foi desenvolvido na segunda parte deste trabalho

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Brooman, Julie Elizabeth. "The characterisation of serotonin receptors in the parasitic nematode Ascaris suum." Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242710.

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Evans, P. G. "Anthelmintic resistance : Studies on sheep flocks in the North East of England." Thesis, University of Newcastle Upon Tyne, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382558.

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Blackhall, William James. "Genetic variation and multiple mechanisms of anthelmintic resistance in Haemonchus contortus." Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=37596.

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Anthelmintic treatment of livestock is an important aspect of the control of gastrointestinal parasites. Resistance to anthelmintics is common, and an understanding of resistance requires knowledge of an anthelmintic's mode(s) of action and mechanism(s) of resistance. The parasitic nematode, Haemonchus contortus, has developed resistance to benzimidazoles and avermectins/milbemycins. Proposed mechanisms of resistance are here supported by genetic changes observed in genes whose protein products are believed to interact with these anthelmintics. Statistically significant differences in allele f

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Levitt, Nancy. "Genetics of avermectin resistance in the nematode parasite Haemonchus contortus." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81357.

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The objectives of this study are to estimate the degree to which a glutamate-gated chloride channel gene (HcGluCla) contributes to survival of moxidectin treatment and to study the relative dominance of those alleles. The phenotype of individual adult H. contortus with respect to feeding was determined using an inulin uptake assay. Genotype was determined using a diagnostic PCR assay. In the absence of moxidectin, homozygous susceptible genotypes fed significantly more than homozygous resistant genotypes. The effect of the susceptible allele was dominant. In the presence of moxidectin,

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Sanders, John Patrick. "The anthelmintic effect of Bacillus thuringiensis Cry5B on Haemonchus contortus in sheep." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/99205.

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Widespread anthelmintic resistance in trichostrongyle nematodes of ruminants has created an urgent need for alternatives to commercial anthelmintics. The bacterium Bacillus thuringiensis (Bt) can produce crystal proteins during sporulation, which can be lethal to insects in multiple orders when ingested. One protein, Cry5B, has demonstrated effectiveness against multiple parasitic nematodes. We hypothesized that Cry5B would be effective against Haemonchus contortus, a highly pathogenic parasite, in sheep. Two experiments tested efficacy of Cry5B in sheep experimentally infected with H. contort

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Rubinson, Emily. "MODULATION OF VACCINE-INDUCED RESPONSES BY ANTHELMINTIC TREATMENT IN PONIES." UKnowledge, 2014. http://uknowledge.uky.edu/medsci_etds/4.

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Vaccines and anthelmintics induce an inflammatory response in equids. Since they are commonly given concurrently, it is practical to study any interaction between them. This study evaluated whether IVM and PYR would modulate the acute phase inflammatory response, the systemic gene expression of pro-inflammatory cytokines, and vaccine-specific titers induced by WNV, EHV, and KLH vaccines. Naturally-infected, yearling ponies were sorted by gender, then fecal epgs. They were randomly assigned to three treatment groups: IVM, PYR, and control. All ponies received vaccinations intramuscularly on day

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Dicker, Alison Jane. "Comparative gene expression studies of anthelmintic resistance in the parasitic nematode, Teladorsagia circumcincta." Thesis, University of Glasgow, 2010. http://theses.gla.ac.uk/2223/.

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Anthelmintic resistance in parasitic nematodes of small ruminants is widespread and, in some parts of the world, threatens the sustainability of sheep production. The mechanisms whereby parasitic nematodes become resistant to anthelmintics, particularly ivermectin, remain to be determined. The majority of studies to date have investigated target site mutations; relatively little attention has been paid to the role of gene expression changes. The present study focused on Teladorsagia circumcincta; the predominant parasitic gastrointestinal nematode species in the UK and the predominant resistan

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Demeler, Janina. "Physiological and molecular comparison of susceptible and anthelmintic-resistant isolates of cattle parasitic nematodes." Hannover Bibliothek der Tierärztlichen Hochschule Hannover, 2009. http://d-nb.info/1002393515/34.

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Antunes, Maria Inês Caetano. "Prevalence of gastrointestinal parasites and anthelmintic efficacy in sheep and goats under different management and deworming systems in the region of Lisbon and Tagus Valley, Portugal." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2021. http://hdl.handle.net/10400.5/21246.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>Infections caused by gastrointestinal parasites have been described as one of the most important issues regarding small ruminant production. They induce major losses, causing a reduction in weight gain, poor feed utilization and consequently a decreased productivity. They can also be fatal, so their control measures mean a lot of investment. The main objectives of this study were to characterize the presence and level of parasitism of small ruminants in nine farms located in the region of Lisbon and Tagus Valley, as well a

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Demeler, Janina [Verfasser]. "Physiological and molecular comparison of susceptible and anthelmintic-resistant isolates of cattle parasitic nematodes / Janina Demeler." Hannover : Bibliothek der Tierärztlichen Hochschule Hannover, 2009. http://d-nb.info/1002393515/34.

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Williamson, Sally. "Nicotinic acetylcholine receptors from the parasitic nematode Ascaris suum." Thesis, University of Bath, 2008. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501371.

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Nematodes of the genus Ascaris are large gastrointestinal parasites. Ascaris lumbricoides infects ~1 billion people globally; causing malnutrition and general morbidity, and can block the gut or bile duct causing fatal complications. Ascaris suum is a parasite of pigs; in addition to its veterinary significance, it can occasionally be zoonotic, and is a good model of the human parasite. One of the main classes of drugs used to treat parasitic nematode infections are the cholinergic anthelmintics, such as levamisole and pyrantel, which act as agonists of nicotinic acetylcholine receptors at the

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Sargison, Neil Donald. "Development of genetic crossing methods to identify genes associated with macrocyclic lactone resistance in the sheep nematode parasite, Haemonchus contortus." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/4395.

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There is a pressing need to develop strategies to reduce the emergence of macrocyclic lactone anthelmintic resistance in sheep flocks. Management practices aimed at maintaining anthelmintic susceptible nematodes in refugia while achieving a satisfactory level of production may prove to be useful. However, sensitive molecular tests are required to monitor the subtle effects of these practices on the frequency of resistance alleles within nematode populations. To-date, conventional studies of candidate genes coding for the known methods of action of macrocyclic lactone anthelmintics have produce

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Gaudin, Elodie. "Le sainfoin déshydraté - un modèle de nutricament dans la lutte contre les nématodes parasites des petits ruminants." Thesis, Toulouse, INPT, 2017. http://www.theses.fr/2017INPT0042.

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Les nématodes gastro-intestinaux (NGIs) sont une contrainte majeure en élevage des ruminants au pâturage. La méthode de lutte usuelle est l’utilisation de traitements anthelminthiques (AH) de synthèse. Cependant, la diffusion constante de résistances aux AHs dans les populations de NGIs chez les petits ruminants impose de rechercher des méthodes alternatives de maitrise. L’exploitation de plantes contenant des métabolites secondaires est une de ces options. Le sainfoin (Onobrychis viciifolia), une légumineuse riche en tanins condensés (TCs), est un modèle pour explorer le concept de nutricamen

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Jackson, Abigail. "Parasitic gastroenteritis in calves during their first season at grass : the potential for a performance-based targeted selective anthelmintic treatment programme." Thesis, University of Glasgow, 2013. http://theses.gla.ac.uk/4290/.

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The work described in this thesis was designed to investigate the current impact of parasitic gastroenteritis on organic and conventional dairy farms in first season grazing youngstock in Scotland, and to elucidate a marker of significant parasite challenge within individual calves, in order to target these calves with an anthelmintic treatment. It was felt particularly that any recommendations should be practical and easily implemented on-farm, and optimise anthelmintic usage, with regard to animal health, welfare and performance on both organic and conventional farms. There is world-wide rec

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Gutu, Ketema Tolossa. "Bioassay-guided phytochemical study of indigenous medicinal plants of Ethiopia." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/28964.

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In many developing countries, farmers and pastoralists still rely on their indigenous knowledge, practices and locally available plants to control nematode parasitic infections, both in livestock and humans. The overall aim of my thesis was to undertake bioassay-guided phyto-chemical study of extracts and their constituents from Ethiopian anti-parasitic plants used by healers to control gastrointestinal nematode parasites in livestock to validate their ethno-medicinal use and to characterise and identify their active ingredients. As a first experiment (Chapter Three), four types of crude extra

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COSTA, FILHO Marco Hamilton Barros da. "Taninos condensados de fabaceas nativas da caatinga e seu potencial na atividade anti-helmíntica em caprinos." Universidade Federal Rural de Pernambuco, 2016. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6327.

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Submitted by Mario BC (mario@bc.ufrpe.br) on 2017-02-13T15:14:35Z No. of bitstreams: 1 Marco Hamilton Barros da Costa Filho.pdf: 2573105 bytes, checksum: f63c114b9f31e4964f056d2413f14839 (MD5)<br>Made available in DSpace on 2017-02-13T15:14:35Z (GMT). No. of bitstreams: 1 Marco Hamilton Barros da Costa Filho.pdf: 2573105 bytes, checksum: f63c114b9f31e4964f056d2413f14839 (MD5) Previous issue date: 2016-07-29<br>The gastrointestinal helminth infections represent one of the main causes in limiting the production of small ruminants around the world. In the search for new alternatives for effecti

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Matos, Mariana Silva Lopes Santos. "Hábitos de desparasitação em animais de companhia : inquérito a proprietários de cães e gatos, da região de Lisboa, Portugal." Master's thesis, Universidade de Lisboa. Faculdade de Medicina Veterinária, 2013. http://hdl.handle.net/10400.5/6099.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>A utilização profilática de endo e ectoparasiticidas em animais de companhia assume uma importância fundamental a nível de Saúde Animal, mas também no que respeita à Saúde Pública e Ambiental, face ao potencial zoonótico de determinados parasitas. A aplicação adequada e regular de antiparasitários recai sobre os proprietários para uma proteção contínua do animal, contra qualquer infeção parasitária. Com o objetivo de avaliar as práticas de desparasitação em cães e gatos e o grau de conhecimento dos proprietários relativamente ao tema

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Batista, Marisa Cristina Aranha. "Bioprospecção anti-helmíntica de geoprópolis de Melipona fasciculata Smith em testes in vitro com ovos e larvas de Haemochus contortus de pequenos ruminantes." Universidade Federal do Maranhão, 2016. http://tedebc.ufma.br:8080/jspui/handle/tede/1657.

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Submitted by Rosivalda Pereira (mrs.pereira@ufma.br) on 2017-06-21T18:34:09Z No. of bitstreams: 1 MarisaBatista.pdf: 12168457 bytes, checksum: 713e23639a20220c99636f8a2b8cd14d (MD5)<br>Made available in DSpace on 2017-06-21T18:34:09Z (GMT). No. of bitstreams: 1 MarisaBatista.pdf: 12168457 bytes, checksum: 713e23639a20220c99636f8a2b8cd14d (MD5) Previous issue date: 2016-06-22<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPQ)<br>Fundação de Amparo à Pesquisa e ao Desenvolvimento Científico e Tecnológico do Maranhão (FAPEMA)<br>One of the main barriers to creation of goats

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SOUZA, Wagner Mcklayton Alves de. "Avaliação In vitro do EHA de Lippia sidoides Cham sobre ovos e larvas de nematódeos gastrintestinais da família Trichostrongylidae de caprinos." Universidade Federal Rural de Pernambuco, 2008. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5882.

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Submitted by (edna.saturno@ufrpe.br) on 2016-11-08T12:30:16Z No. of bitstreams: 1 Wagner Mcklayton Alves de Souza.pdf: 593917 bytes, checksum: 7cc4ef2d8445b4e599bbc16f65b02221 (MD5)<br>Made available in DSpace on 2016-11-08T12:30:16Z (GMT). No. of bitstreams: 1 Wagner Mcklayton Alves de Souza.pdf: 593917 bytes, checksum: 7cc4ef2d8445b4e599bbc16f65b02221 (MD5) Previous issue date: 2008-02-29<br>In vitro was evaluated the activity ovicidal and larvicidal of the extract dry Hidroalcoólico of alecrim pepper (Lippia sidoides Cham) on the development of eggs and larval of third apprenticeship

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Andrade, Elisabeth Campos de. "Ensaio clínico randomizado da nitazoxanida no tratamento de poliparasitoses intestinais em municípios da Zona da Mata, Minas Gerais." Universidade Federal de Juiz de Fora (UFJF), 2009. https://repositorio.ufjf.br/jspui/handle/ufjf/3946.

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Luksovsky, Joe. "Combination Anthelmintics to Control Gastrointestinal Neamatodes in Foals." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-12-10414.

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A study was undertaken to evaluate and compare the effectiveness of three anthelmintics, ivermectin, fenbendazole, and a combination of ivermectin and pyrantel pamoate, on fecal egg count reductions of cyathostomes and Parascaris equorum in 30 foals at the Texas A&M Horse Center. The foals were reared under standard horse center practices and were naturally infected with both cyathostomes and Parascaris. The foals were randomized into three treatment groups with individuals being rerandomized after each eight week observation period. The treatments of ivermectin and fenbendazole were given at

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Williams, Rissa E. "Oral treatments for monogenean parasites of farmed yellowtails, Seriola spp. (Carangidae)." 2010. http://hdl.handle.net/2440/60980.

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Japanese yellowtail Seriola quinqueradiata has been commercially farmed in Japan since the 1940s. In comparison, sea-cage farming of yellowtail kingfish Seriola lalandi in Australia is still developing, with commercial production commencing in 1998. In Australia, S. lalandi is parasitised by Zeuxapta seriolae and Benedenia seriolae. In Japan, S. quinqueradiata is parasitised by Heteraxine heterocerca and B. seriolae. These monogeneans affect industries in both countries and management of these parasites is required to prevent impacts on fish health and commercial losses. I investigated efficac

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Ahmed, Mawahib Alhag Ali. "Integrated control of gastrointestinal nematodes of sheep using plant extracts. and bicontrol agents." Thesis, 2013. http://hdl.handle.net/10413/10125.

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Infection of small ruminants by gastrointestinal nematodes (GIN) is a major health concern because they cause substantial economic losses, especially in the tropics and sub-tropics. For many years, control of GIN has been based upon use of anthelmintics. However, there is now a global challange because mutant GIN individuals can tolerate most of the widely used anthelmintics. Therefore, alternative control measures are needed. The objective of the study was to screen a number of plant species for their anthelmintic effects, and to evaluate selected strains of Bacillus thuringiensis (Berliner)

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WAGNEROVÁ, Pavla. "Endoparazitární infekce koní." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-54789.

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A total of 587 faecal samples were collected from 98 horses of different age from three farms with various breeding system (pasture, stable and combination) in the South Bohemia, Czech Republic during three consecutive years (from 2009 to 2011), and screened for the presence of endoparasites, especially these inhabiting gastrointestinal tract and lung, using standard parasitological methods including flotation, sedimentation and staining methods. Moreover presence of Encephalitozoon spp. was detected using genus specific nested PCR. Small strongyles were the most common nematodes among studied

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Müller, Nadine. "The costs and benefits of sociality in semi-free ranging Barbary macaques (Macaca sylvanus)." Doctoral thesis, 2018. http://hdl.handle.net/11858/00-1735-0000-002E-E5B7-1.

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Shiba, Mlungisi Richard. "In vitro determination of efficacy of indigenous plant extracts used for internal parasites control by small-holder livestock farmers in Chief Albert Luthuli Municipality, Mpumalanga Province, South Africa." Thesis, 2018. http://hdl.handle.net/10386/2229.

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Thesis (M. Agricultural Management (Animal Production)) -- University of Limpopo, 2018<br>Ethno veterinary medicine practices are popular among the resource constrained small-holder farmers. Nonetheless, the effectiveness of traditional remedies particularly the indigenous plants has not been extensively documented. Hence, this study was conducted to determine efficacy of indigenous plant extracts used by small-holder farmers in Chief Albert Luthuli Local Municipality, Mpumalanga Province, South Africa for internal parasites control. Information on indigenous plants used for the control of int

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Brown, David. "The Pharmacological Characterization of Hco-UNC-49, a GABA-gated Chloride Channel from the Parasitic Nematode Haemonchus contortus." Thesis, 2010. http://hdl.handle.net/10155/108.

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Compared to mammals, nematodes appear to exhibit a unique GABAergic nervous system. Haemonchus controtus is a parasitic nematode that infects ruminants worldwide. Hco-UNC-49 is a H. contortus GABA-gated chloride channel and is an orthologue to the UNC-49 channel from the free-living nematode Caenorhabditis elegans. Previous research by our group has shown that while the UNC-49 channels from the two nematodes share similar sequence homology they do not share identical sensitivity to GABA. To further investigate the characteristics of the Hco-UNC-49 channel, this study tested the effects of vari

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Demeler, Janina [Verfasser]. "The physiological site of action and the site of resistance to the macrocyclic lactone anthelmintics in sheep parasitic trichostrongyloid nematodes / vorgelegt von Janina Demeler." 2005. http://d-nb.info/978192788/34.

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Kamaludeen, Juriah. "Studies on the occurrence of anthelmintic resistance in goat parasites in New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Master of Veterinary Studies in Parasitology at Massey University, Palmerston North, New Zealand." 2010. http://hdl.handle.net/10179/1652.

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Two studies were conducted to investigate anthelmintic resistance in goat parasites in New Zealand. In Study 1 parasites from goats on a farm with a long history of problems with anthelmintic efficacy were used to infect sheep for a controlled slaughter study. Nineteen lambs were acquired, effectively drenched and housed. Each was infected with a mixture of larvae comprising Haemonchus contortus, Teladorsagia circumcincta, Trichostrongylus colubriformis and Oesophagostomum venulosum. After 28 days lambs were restrictively randomised into 3 groups based on faecal egg counts. Group 1 was left un

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Mwendwa, James Musyimi. "Investigating summer and autumn endoparasitism in farmed red deer, effects of weaning date, anthelmintic treatment and forage species : a thesis in partial fulfilment of the requirements for the degree of Masters of Science in Animal Science at Massey University, Palmerston North, New Zealand." 2007. http://hdl.handle.net/10179/837.

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Previous research has shown that even small numbers of lung and gastro-intestinal (GI) nematodes cause sub-clinical infections during autumn and can reduce voluntary feed intake (VFI) and liveweight gain (LWG) post-weaning in farmed deer. However, little is known about the effect of parasitism on growth of young farmed deer prior to weaning (summer and early autumn). At present, the control of deer parasites is largely by anthelmintic treatment. Alternatively, chicory sown as a pure sward has been shown to reduce parasitism and increase post-weaning growth of deer compared with perennial ryegr

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